Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.compgeo.2018.10.017
Title: A fully coupled fracture equivalent continuum-dual porosity model for hydro-mechanical process in fractured shale gas reservoirs
Authors: Liu, Jia
Wang, JG 
Gao, Feng
Leung, Chun Fai 
Ma, Zhanguo
Keywords: Science & Technology
Technology
Physical Sciences
Computer Science, Interdisciplinary Applications
Engineering, Geological
Geosciences, Multidisciplinary
Computer Science
Engineering
Geology
Discrete fracture
Fracture tensor
Cell-level discontinuity
Stress sensitivity
Finite element method
DIRECT SHEAR BEHAVIORS
FLUID-FLOW ANALYSIS
STRESS
DEFORMATION
IMPACT
TRANSPORT
CONDUCTIVITY
PERMEABILITY
GEOMECHANICS
PERFORMANCE
Issue Date: 1-Feb-2019
Publisher: ELSEVIER SCI LTD
Citation: Liu, Jia, Wang, JG, Gao, Feng, Leung, Chun Fai, Ma, Zhanguo (2019-02-01). A fully coupled fracture equivalent continuum-dual porosity model for hydro-mechanical process in fractured shale gas reservoirs. COMPUTERS AND GEOTECHNICS 106 : 143-160. ScholarBank@NUS Repository. https://doi.org/10.1016/j.compgeo.2018.10.017
Abstract: A fully coupled fracture equivalent continuum-dual porosity model is proposed to investigate hydro-mechanical coupling phenomena in fractured porous media. An improved fracture tensor is then developed to transform the local discontinuities at cell level to the anisotropic continuum at macro-scale. This model is incorporated into a set of nonlinear partial differential equations and numerically solved by multi-time-step finite element algorithm. The approach is then applied to a field-scale simulation of shale gas reservoir. Results indicate that the proposed method can be applied to insights into the field-scale hydro-mechanical coupling with high-density fractures in any arbitrary orientation within manageable computational cost.
Source Title: COMPUTERS AND GEOTECHNICS
URI: https://scholarbank.nus.edu.sg/handle/10635/210538
ISSN: 0266352X
18737633
DOI: 10.1016/j.compgeo.2018.10.017
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